Online CSV Viewer 2025
Upload and view any CSV file instantly in your browser – No registration, no ads
Max file size: 10 MB • Works with large and wide CSVs
Max file size: 10 MB • Works with large and wide CSVs
Drag & drop your CSV file here, or click to select (max 10 MB)
What is Online CSV Viewer?
Online CSV Viewer is a free, secure, and ultra-fast tool to open and analyze CSV (Comma-Separated Values) files directly in your browser.
All processing happens locally – your CSV file is never saved or tracked. Perfect for business, HR, finance, data science, students, or anyone who needs to view spreadsheet data safely.
- Privacy-first: No server storage, no logs. 100% client-side parsing.
- Handles wide tables: Table area scrolls horizontally, layout never breaks.
- No registration & no ads: Pure utility. Totally free forever.
How to Use?
- Click the upload area or drag your CSV file (max 10MB) onto it.
- Wait for your data to appear below, in a scrollable table frame.
- Scroll and analyze – nothing leaves your device or is stored anywhere.
Frequently Asked Questions (CSV Viewer FAQ)
- Is it free and secure? Yes, 100% free and secure. Your CSV file is never uploaded or stored.
- What file types? Only standard .csv files (comma/semicolon/tab delimited, max 10 MB).
- Does it work on mobile? Yes, fully responsive and mobile-optimized.
- Is there a row limit? No hard row/column limit – just keep file under 10MB.
- Is my data ever logged or tracked? No. Never.